Water flows through a hose of area 3 cm^2 and fills a 15 litre bucket in 50 s. The speed of the water in the hose is:

  1. 1 m/s
  2. 10 m/s
  3. 0.1 m/s
  4. 0.3 m/s
Answer

A) 1 m/s

Flow rate = 15 10^-3/50 = 3 10^-4 m^3/s; v = 3 10^-43 10^-4 = 1 m/s. SLO P-11-B-36 · Application

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